Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

Internal Codes
  • D05.10

    Intraductal carcinoma in situ of unspecified breast

  • D05.11

    Intraductal carcinoma in situ of right breast

  • D05.12

    Intraductal carcinoma in situ of left breast

  • D05.80

    Other specified type of carcinoma in situ of unspecified breast

  • D05.81

    Other specified type of carcinoma in situ of right breast

  • D05.82

    Other specified type of carcinoma in situ of left breast

  • D05.90

    Unspecified type of carcinoma in situ of unspecified breast

  • D05.91

    Unspecified type of carcinoma in situ of right breast

  • D05.92

    Unspecified type of carcinoma in situ of left breast

  • D06.0

    Carcinoma in situ of endocervix

  • D06.1

    Carcinoma in situ of exocervix

  • D06.7

    Carcinoma in situ of other parts of cervix

  • D06.9

    Carcinoma in situ of cervix, unspecified

  • D07.0

    Carcinoma in situ of endometrium

  • D07.1

    Carcinoma in situ of vulva

  • D07.2

    Carcinoma in situ of vagina

  • D07.30

    Carcinoma in situ of unspecified female genital organs

  • D07.39

    Carcinoma in situ of other female genital organs

  • D07.4

    Carcinoma in situ of penis

  • D07.5

    Carcinoma in situ of prostate

  • D07.60

    Carcinoma in situ of unspecified male genital organs

  • D07.61

    Carcinoma in situ of scrotum

  • D07.69

    Carcinoma in situ of other male genital organs

  • D09.0

    Carcinoma in situ of bladder

  • D09.10

    Carcinoma in situ of unspecified urinary organ

  • D09.19

    Carcinoma in situ of other urinary organs

  • D09.20

    Carcinoma in situ of unspecified eye

  • D09.21

    Carcinoma in situ of right eye

  • D09.22

    Carcinoma in situ of left eye

  • D09.3

    Carcinoma in situ of thyroid and other endocrine glands

  • D09.8

    Carcinoma in situ of other specified sites

  • D09.9

    Carcinoma in situ, unspecified

  • D10.0

    Benign neoplasm of lip

  • D10.1

    Benign neoplasm of tongue

  • D10.2

    Benign neoplasm of floor of mouth

  • D10.30

    Benign neoplasm of unspecified part of mouth

  • D10.39

    Benign neoplasm of other parts of mouth

  • D10.4

    Benign neoplasm of tonsil

  • D10.5

    Benign neoplasm of other parts of oropharynx

  • D10.6

    Benign neoplasm of nasopharynx

  • D10.7

    Benign neoplasm of hypopharynx

  • D10.9

    Benign neoplasm of pharynx, unspecified

  • D11.0

    Benign neoplasm of parotid gland

  • D11.7

    Benign neoplasm of other major salivary glands

  • D11.9

    Benign neoplasm of major salivary gland, unspecified

  • D12.0

    Benign neoplasm of cecum

  • D12.1

    Benign neoplasm of appendix

  • D12.2

    Benign neoplasm of ascending colon

  • D12.3

    Benign neoplasm of transverse colon

  • D12.4

    Benign neoplasm of descending colon

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